Home / 12,183.52-18,275.93-3,864.17

Finding the Fourth Proportional to 12,183.52, 18,275.93 and 3,864.17

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Solution

The fourth proportional to 12,183.52, 18,275.93 and 3,864.17 is: 5,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183.52 : 18,275.93 = 3,864.17 : x
  2. Step 2: Convert to fraction form
    12,183.52/18,275.93 = 3,864.17/x
  3. Step 3: Cross multiply
    12,183.52x = 18,275.93 × 3,864.17
  4. Step 4: Simplify right side
    12,183.52x = 70,621,204.22
  5. Step 5: Solve for x
    x = 70,621,204.22/12,183.52
  6. Step 6: Final answer
    x = 5,796.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.